More consistent loading of the test fixtures (#1506)

Remove db setup from the Haskell test suite and include it in the test bash scripts.

test/fixtures/jsonschema.sql

@@ -20,7 +20,7 @@ HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
 MODIFICATIONS.
 */
 
-CREATE OR REPLACE FUNCTION _validate_json_schema_type(type text, data jsonb) RETURNS boolean AS $f$
+CREATE OR REPLACE FUNCTION public._validate_json_schema_type(type text, data jsonb) RETURNS boolean AS $f$
 BEGIN
   IF type = 'integer' THEN
     IF jsonb_typeof(data) != 'number' THEN

test/fixtures/jwt.sql

@@ -1,5 +1,8 @@
 -- From michelp/pgjwt commit c02bbd3
 BEGIN;
+
+set search_path to public;
+
 set client_min_messages to warning;
 DROP SCHEMA IF EXISTS jwt CASCADE;
 CREATE SCHEMA jwt;

test/fixtures/load.sql

@@ -0,0 +1,11 @@
+-- Loads all fixtures for the PostgREST tests
+
+\set ON_ERROR_STOP on
+
+\ir database.sql
+\ir roles.sql
+\ir schema.sql
+\ir jwt.sql
+\ir jsonschema.sql
+\ir privileges.sql
+\ir data.sql